Upgraded Wireless Bone Conduction Headphones AUX IN For Hearing Difficulties

Compared with bone conduction headphones, the bone conduction hearing aid that receive sound by the skull is more comfortable and healthier. Besides, the both sides could receive voice and can adjust the volume separately. No eardrum damage, healthy and eco-friendly. It is suitable for those who have trouble in listening.

Features:  
Uses a sound pickup unit to receive sound through the intelligent integrated module to drive vibrator vibration. The sound can be directly transmit though the skull to the inner ear.
The sound transmits through the bone to auditory nerve, more comfortable and healthier than traditional hearing aids, suitable for people who has trouble in listening.
Comes with the wireless design, which is more comfortable and more convenient.
Release your ears to listen the world, you can response to the surrounding situation quickly, far away from dangerous, suitable for many indoor and outdoor activities.
Package included a storage box, which could keep your headphones clean and storage.

Specifications:
Item Type: Bone Conduction Headphones
Color: As Pictures Show
Max Sound Output: 130+5dB
Sound Gain: >50dB
Total Harmonic Wave Distortion:
Frequency Range: 300-4000Hz
Input Noise:
Voltage: DC 1.5V
Current:
Package Size: 9.5 x 7.2 x 3cm / 3.7 x 2.8 x 1.2inch
Package Weight: 44g

Usage:
Open the cartridge cover, put the battery in correct direction. Zinc Air Battery is best choice and has longer life.
1. Before using switch the volume to the minimum position.
2. Put the ear hook on your ear, plug in the ear plug tightly.
3. Turn on the power, and adjust the sound volume to get clear sound.
4. If you hear the whistling sound, please check whether you have plugged in the ear plug tightly. If it can't be pluged tightly, please change the other size plug.
5. When you don't use it, please open the battery artridge or take out the battery. Otherwise it will continue to work.
(Note: Make sure the volume adjuster is at the minimum position. Otherwise the instant sound will make you uncomfortable.)

Package List:
1 x Bone Conduction Headphones
2 x Button Battery
1 x Little Brush
2 x Replaceable Earplug ( Different Size )
1 x Little Screwdriver
1 x User Manual
1 x Storage Box

Note:
If the squeak is happening, please switch off the headphones first, then adjust the both volume to minimum, switch on the headphone again, and adjust the volume higher to appropriate again.